A slow, steady work­out has lots of ben­e­fits, but includ­ing intense bursts of heart-pound­ing exer­cise adds a fur­ther dimen­sion. That’s what researchers found when they stud­ied the effect of exer­cise on mem­o­ry and cog­ni­tive func­tion in old­er adults. Con­tin­ue read­ing →